cmd/geth: remove some whitespace in code and comments (#28148)

This changes just removes some whitespace

cmd/utils/flags.go

@@ -2045,12 +2045,11 @@ func SplitTagsFlag(tagsFlag string) map[string]string {
 	return tagsMap
 }
 
-// MakeChainDatabase open an LevelDB using the flags passed to the client and will hard crash if it fails.
+// MakeChainDatabase opens a database using the flags passed to the client and will hard crash if it fails.
 func MakeChainDatabase(ctx *cli.Context, stack *node.Node, readonly bool) ethdb.Database {
 	var (
 		cache   = ctx.Int(CacheFlag.Name) * ctx.Int(CacheDatabaseFlag.Name) / 100
 		handles = MakeDatabaseHandles(ctx.Int(FDLimitFlag.Name))
-
 		err     error
 		chainDb ethdb.Database
 	)